{"bundle_type":"pith_open_graph_bundle","bundle_version":"1.0","pith_number":"pith:2018:CW4QAI2QERK7CDBF3NTA3JWRVC","short_pith_number":"pith:CW4QAI2Q","canonical_record":{"source":{"id":"1804.07412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-20T00:38:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9dd8d317b874f940d2a867f454beb31aff4d5476156db1d30cf99a321611120e","abstract_canon_sha256":"1d499d285fa8b780a6d384cb1a6061e7a746fdd82bd64a7c966e940f21cf0fda"},"schema_version":"1.0"},"canonical_sha256":"15b90023502455f10c25db660da6d1a88e7950030369968ec8266c3a61ff568b","source":{"kind":"arxiv","id":"1804.07412","version":1},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07412","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07412v1","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07412","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"CW4QAI2QERK7","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CW4QAI2QERK7CDBF","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CW4QAI2Q","created_at":"2026-05-18T12:32:19Z"}],"events":[{"event_type":"record_created","subject_pith_number":"pith:2018:CW4QAI2QERK7CDBF3NTA3JWRVC","target":"record","payload":{"canonical_record":{"source":{"id":"1804.07412","kind":"arxiv","version":1},"metadata":{"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-20T00:38:01Z","cross_cats_sorted":["cond-mat.mes-hall"],"title_canon_sha256":"9dd8d317b874f940d2a867f454beb31aff4d5476156db1d30cf99a321611120e","abstract_canon_sha256":"1d499d285fa8b780a6d384cb1a6061e7a746fdd82bd64a7c966e940f21cf0fda"},"schema_version":"1.0"},"canonical_sha256":"15b90023502455f10c25db660da6d1a88e7950030369968ec8266c3a61ff568b","receipt":{"kind":"pith_receipt","key_id":"pith-v1-2026-05","algorithm":"ed25519","signed_at":"2026-05-18T00:17:58.912011Z","signature_b64":"ZoI5cPuHYI/6LTpPFh8qhbP3x54wz8R+Q2sX98EkTkYVNAWVJDClavASugeOpkfC4Bs9+fuT93BR5LFJ7YXVBA==","signed_message":"canonical_sha256_bytes","builder_version":"pith-number-builder-2026-05-17-v1","receipt_version":"0.3","canonical_sha256":"15b90023502455f10c25db660da6d1a88e7950030369968ec8266c3a61ff568b","last_reissued_at":"2026-05-18T00:17:58.911459Z","signature_status":"signed_v1","first_computed_at":"2026-05-18T00:17:58.911459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"source_kind":"arxiv","source_id":"1804.07412","source_version":1,"attestation_state":"computed"},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"IN76zBeG8qoIUTUR2D61r2e0sFhMNPFo++ueMYHpzCX0nVe1YcjfdBMgTbgTpfxv+rFY3FY0GeVNZnHg4+XpAg==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T12:20:42.709863Z"},"content_sha256":"e7e74159f858ad36081dbeb5283c7b6788c7631b14e0b4855b496093281e924b","schema_version":"1.0","event_id":"sha256:e7e74159f858ad36081dbeb5283c7b6788c7631b14e0b4855b496093281e924b"},{"event_type":"graph_snapshot","subject_pith_number":"pith:2018:CW4QAI2QERK7CDBF3NTA3JWRVC","target":"graph","payload":{"graph_snapshot":{"paper":{"title":"Quantized conductance observed during sintering of silver nanoparticles by intense terahertz pulses","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["cond-mat.mes-hall"],"primary_cat":"physics.app-ph","authors_text":"Hirofumi Harada, Keisuke Takano, Makoto Nakajima, Masashi Yoshimura","submitted_at":"2018-04-20T00:38:01Z","abstract_excerpt":"We show that silver nanoparticles, which are deposited on a terahertz-receiving antenna, can be sintered by intense terahertz pulse irradiation. The conductance of the silver nanoparticles between the antenna electrodes is measured under the terahertz pulse irradiation. The dispersant materials surrounding the nanoparticles are peeled off, and conduction paths are created. We reveal that, during sintering, quantum point contacts are formed, leading to quantized conductance between the electrodes with the conductance quantum, which reflects the formation of atomically thin wires. The terahertz "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07412","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"},"verdict_id":null},"signer":{"signer_id":"pith.science","signer_type":"pith_registry","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54"},"created_at":"2026-05-18T00:17:58Z","supersedes":[],"prev_event":null,"signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"PPJuZ3GjkDA/JrYJvzC4JdUlT3TgDntIbJjqQGX2T8BJyOOq22zX9MqWwYk47x3M5MTN3DQfP+Y07tl14S7kBw==","signed_message":"open_graph_event_sha256_bytes","signed_at":"2026-06-09T12:20:42.710211Z"},"content_sha256":"dbe616f5d73971028f828dd21a1b7d5965454fceb76d743d4e24ea72537fa2df","schema_version":"1.0","event_id":"sha256:dbe616f5d73971028f828dd21a1b7d5965454fceb76d743d4e24ea72537fa2df"}],"timestamp_proofs":[],"mirror_hints":[{"mirror_type":"https","name":"Pith Resolver","base_url":"https://pith.science","bundle_url":"https://pith.science/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/bundle.json","state_url":"https://pith.science/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/state.json","well_known_bundle_url":"https://pith.science/.well-known/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/bundle.json","status":"primary"}],"public_keys":[{"key_id":"pith-v1-2026-05","algorithm":"ed25519","format":"raw","public_key_b64":"stVStoiQhXFxp4s2pdzPNoqVNBMojDU/fJ2db5S3CbM=","public_key_hex":"b2d552b68890857171a78b36a5dccf368a953413288c353f7c9d9d6f94b709b3","fingerprint_sha256_b32_first128bits":"RVFV5Z2OI2J3ZUO7ERDEBCYNKS","fingerprint_sha256_hex":"8d4b5ee74e4693bcd1df2446408b0d54","rotates_at":null,"url":"https://pith.science/pith-signing-key.json","notes":"Pith uses this Ed25519 key to sign canonical record SHA-256 digests. Verify with: ed25519_verify(public_key, message=canonical_sha256_bytes, signature=base64decode(signature_b64))."}],"merge_version":"pith-open-graph-merge-v1","built_at":"2026-06-09T12:20:42Z","links":{"resolver":"https://pith.science/pith/CW4QAI2QERK7CDBF3NTA3JWRVC","bundle":"https://pith.science/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/bundle.json","state":"https://pith.science/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/state.json","well_known_bundle":"https://pith.science/.well-known/pith/CW4QAI2QERK7CDBF3NTA3JWRVC/bundle.json"},"state":{"state_type":"pith_open_graph_state","state_version":"1.0","pith_number":"pith:2018:CW4QAI2QERK7CDBF3NTA3JWRVC","merge_version":"pith-open-graph-merge-v1","event_count":2,"valid_event_count":2,"invalid_event_count":0,"equivocation_count":0,"current":{"canonical_record":{"metadata":{"abstract_canon_sha256":"1d499d285fa8b780a6d384cb1a6061e7a746fdd82bd64a7c966e940f21cf0fda","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-20T00:38:01Z","title_canon_sha256":"9dd8d317b874f940d2a867f454beb31aff4d5476156db1d30cf99a321611120e"},"schema_version":"1.0","source":{"id":"1804.07412","kind":"arxiv","version":1}},"source_aliases":[{"alias_kind":"arxiv","alias_value":"1804.07412","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"arxiv_version","alias_value":"1804.07412v1","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"doi","alias_value":"10.48550/arxiv.1804.07412","created_at":"2026-05-18T00:17:58Z"},{"alias_kind":"pith_short_12","alias_value":"CW4QAI2QERK7","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_16","alias_value":"CW4QAI2QERK7CDBF","created_at":"2026-05-18T12:32:19Z"},{"alias_kind":"pith_short_8","alias_value":"CW4QAI2Q","created_at":"2026-05-18T12:32:19Z"}],"graph_snapshots":[{"event_id":"sha256:dbe616f5d73971028f828dd21a1b7d5965454fceb76d743d4e24ea72537fa2df","target":"graph","created_at":"2026-05-18T00:17:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"graph_snapshot":{"author_claims":{"count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","strong_count":0},"builder_version":"pith-number-builder-2026-05-17-v1","claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"paper":{"abstract_excerpt":"We show that silver nanoparticles, which are deposited on a terahertz-receiving antenna, can be sintered by intense terahertz pulse irradiation. The conductance of the silver nanoparticles between the antenna electrodes is measured under the terahertz pulse irradiation. The dispersant materials surrounding the nanoparticles are peeled off, and conduction paths are created. We reveal that, during sintering, quantum point contacts are formed, leading to quantized conductance between the electrodes with the conductance quantum, which reflects the formation of atomically thin wires. The terahertz ","authors_text":"Hirofumi Harada, Keisuke Takano, Makoto Nakajima, Masashi Yoshimura","cross_cats":["cond-mat.mes-hall"],"headline":"","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-20T00:38:01Z","title":"Quantized conductance observed during sintering of silver nanoparticles by intense terahertz pulses"},"references":{"count":0,"internal_anchors":0,"resolved_work":0,"sample":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1804.07412","kind":"arxiv","version":1},"verdict":{"created_at":null,"id":null,"model_set":{},"one_line_summary":"","pipeline_version":null,"pith_extraction_headline":"","strongest_claim":"","weakest_assumption":""}},"verdict_id":null}}],"author_attestations":[],"timestamp_anchors":[],"storage_attestations":[],"citation_signatures":[],"replication_records":[],"corrections":[],"mirror_hints":[],"record_created":{"event_id":"sha256:e7e74159f858ad36081dbeb5283c7b6788c7631b14e0b4855b496093281e924b","target":"record","created_at":"2026-05-18T00:17:58Z","signer":{"key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signer_id":"pith.science","signer_type":"pith_registry"},"payload":{"attestation_state":"computed","canonical_record":{"metadata":{"abstract_canon_sha256":"1d499d285fa8b780a6d384cb1a6061e7a746fdd82bd64a7c966e940f21cf0fda","cross_cats_sorted":["cond-mat.mes-hall"],"license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","primary_cat":"physics.app-ph","submitted_at":"2018-04-20T00:38:01Z","title_canon_sha256":"9dd8d317b874f940d2a867f454beb31aff4d5476156db1d30cf99a321611120e"},"schema_version":"1.0","source":{"id":"1804.07412","kind":"arxiv","version":1}},"canonical_sha256":"15b90023502455f10c25db660da6d1a88e7950030369968ec8266c3a61ff568b","receipt":{"algorithm":"ed25519","builder_version":"pith-number-builder-2026-05-17-v1","canonical_sha256":"15b90023502455f10c25db660da6d1a88e7950030369968ec8266c3a61ff568b","first_computed_at":"2026-05-18T00:17:58.911459Z","key_id":"pith-v1-2026-05","kind":"pith_receipt","last_reissued_at":"2026-05-18T00:17:58.911459Z","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","receipt_version":"0.3","signature_b64":"ZoI5cPuHYI/6LTpPFh8qhbP3x54wz8R+Q2sX98EkTkYVNAWVJDClavASugeOpkfC4Bs9+fuT93BR5LFJ7YXVBA==","signature_status":"signed_v1","signed_at":"2026-05-18T00:17:58.912011Z","signed_message":"canonical_sha256_bytes"},"source_id":"1804.07412","source_kind":"arxiv","source_version":1}}},"equivocations":[],"invalid_events":[],"applied_event_ids":["sha256:e7e74159f858ad36081dbeb5283c7b6788c7631b14e0b4855b496093281e924b","sha256:dbe616f5d73971028f828dd21a1b7d5965454fceb76d743d4e24ea72537fa2df"],"state_sha256":"dfa75761a9fbbd572c9f6b5fbd7bc0f01cc65ec86715babcc4151010030ca253"},"bundle_signature":{"signature_status":"signed_v1","algorithm":"ed25519","key_id":"pith-v1-2026-05","public_key_fingerprint":"8d4b5ee74e4693bcd1df2446408b0d54","signature_b64":"i2KixqX75QufjY1drRD5pYas45GAhxeeZoLnVKhRVV4T/kX7Vz7E/8ZNpZCuyflJXp041M6sNVSES2vvYUoVDA==","signed_message":"bundle_sha256_bytes","signed_at":"2026-06-09T12:20:42.712489Z","bundle_sha256":"af7de70079bf54796441f4e1491af9920f188b777d969459977545bff2388377"}}